gosa-core/plugins/generic/references/class_aclResolver.inc

   1 <?php
   2
   3 class aclResolver
   4 {
   5     private $classMapping = array();
   6     private $aclTypes = array();
   7     private $affectingACLs = array();
   8
   9     private $renderedList = "";
  10
  11     // The users 'dn' and 'uid' used to verify the collected acls
  12     private $validateDn;
  13     private $validateUid;
  14     private $acl_category;
  15     private $parent;
  16
  17     // Used for the autocompleter
  18     private $userMap;
  19
  20     function __construct($config, $dn, $parent)
  21     {
  22         $this->config = &$config;
  23         $this->dn = $dn;
  24         $this->parent = $parent;
  25
  26         // Replace this with a user defined one later.
  27         $ui = get_userinfo();
  28         $this->validateUid = $ui->uid;
  29         $this->validateDn = $ui->dn;
  30
  31         // Build class mapping - only once, will not change during session.
  32         if(!session::is_set('aclConverter::classMapping')){
  33             $tmp= session::global_get('plist');
  34             $plist= $tmp->info;
  35             $map = array();
  36             $map['all']= _("All categories");
  37             foreach($plist as $class => $plInfo){
  38                 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
  39                     foreach($plInfo['plCategory'] as $category => $desc){
  40                         if(!is_numeric($category)){
  41                             $map[$category] = $desc['description'];
  42                         }
  43                     }
  44                 }
  45             }
  46             foreach($plist as $class => $plInfo){
  47                 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
  48                     foreach($plInfo['plCategory'] as $category => $desc){
  49                         if(!is_numeric($category)){
  50                             $map[$category."/".$class] = $map[$category]." - ".$plInfo['plDescription'];
  51                         }else{
  52                             $map[$desc."/".$class] = $map[$desc]." - ".$plInfo['plDescription'];
  53                         }
  54                     }
  55
  56                 }
  57             }
  58             session::set('aclConverter::classMapping', $map);
  59         }
  60         $this->classMapping = session::get('aclConverter::classMapping');
  61
  62         // Define ACL type translations
  63         $this->aclTypes= array("reset" => _("Reset ACLs"),
  64                 "one" => _("One level"),
  65                 "base" => _("Current object"),
  66                 "sub" => _("Complete subtree"),
  67                 "psub" => _("Complete subtree (permanent)"),
  68                 "role" => _("Use ACL defined in role"));
  69
  70         // Enforce to reload acl result
  71         $this->renderedList = "";
  72     }
  73
  74
  75     function reload()
  76     {
  77         // Go through all ACLs and get those matching the objects dn.
  78         $ui = get_userinfo();
  79         $ui->reset_acl_cache();
  80         $ui->loadACL();
  81
  82         // Get ACL category for the current object.
  83         if(isset($this->parent->acl_category) && !empty($this->parent->acl_category)){
  84             $this->acl_category = preg_replace("/\/$/","",$this->parent->acl_category);
  85         }
  86
  87         foreach($ui->allACLs as $dn => $acls){
  88             if(preg_match("/".preg_quote($dn,'/')."$/i", $this->dn)){
  89
  90                 // Foreach dn there is a collection of ACLs indexed by their priority
  91                 foreach($acls as $prio => $acl){
  92                     if($acl['type'] == "reset"){
  93                         $this->affectingACLs[$dn][$prio] = $acl;
  94                         continue;
  95                     }else{
  96
  97                         // Only get those entries with a relevant acl-category
  98                         foreach($acl['acl'] as $category => $attributes){
  99                             if(preg_match("/^all($|\/)/", $category) ||
 100                                     preg_match("/^".$this->acl_category."($|\/)/", $category)){
 101                                 $this->affectingACLs[$dn][$prio] = $acl;
 102                                 continue;
 103                             }
 104                         }
 105                     }
 106                 }
 107             }
 108         }
 109     }
 110
 111
 112
 113     /*! \brief   Create a human readable HTML result
 114      */
 115     function getReadableACL()
 116     {
 117         if(isset($_POST['aclTarget'])){
 118             $d = get_post('aclTarget');
 119             if(isset($this->userMap[$d])){
 120                 $this->validateDn = $this->userMap[$d]['dn'];
 121                 $this->validateUid = $this->userMap[$d]['uid'][0];
 122                 $this->renderedList = "";
 123             }
 124         }
 125
 126         if(empty($this->renderedList)){
 127
 128             $this->reload();
 129
 130             // Autocompleter template
 131             $autocompleter ="
 132                 <input class='filter_textfield' placeholder='"._("Search")."...'
 133                 id='aclTarget' name='aclTarget' type='text' value=''
 134                 onChange='document.mainform.submit();'>
 135
 136                 <div id='autocomplete' class='autocomplete'></div>
 137                 <script type='text/javascript'>
 138                 new Ajax.Autocompleter(
 139                         'aclTarget',
 140                         'autocomplete',
 141                         'autocomplete.php',
 142                         { minChars: 3, frequency: 0.5 });
 143             </script>";
 144
 145             // Base template - each entry start with this
 146             $tpl =
 147                 "\n <tr class='acl-viewer-head %s'>".
 148                 "\n  <td>%s</td>".
 149                 "\n  <td colspan=2><b>%s</b>&nbsp;-&nbsp;%s</td>".
 150                 "\n </tr>".
 151                 "\n %s".
 152                 "\n <tr>".
 153                 "\n  <td colspan=3><hr></td>".
 154                 "\n </tr>";
 155
 156             // If the acl consists of a user-object-filter then this template is used.
 157             $filter_tpl =
 158                 "\n <tr class='%s'>".
 159                 "\n  <td></td>".
 160                 "\n  <td><b>"._("Filter")."</b></td>".
 161                 "\n  <td><ul><li>%s</li></ul></td>".
 162                 "\n </tr>";
 163
 164             // Used to display ACL owner of type "group"
 165             $gmem_tpl =
 166                 "\n <tr class='%s'>".
 167                 "\n  <td></td>".
 168                 "\n  <td><b>"._("Group members")."</b></td>".
 169                 "\n  <td><ul>%s</ul></td>".
 170                 "\n </tr>";
 171
 172             // Used to display ACL owner of type "user"
 173             $umem_tpl =
 174                 "\n <tr class='%s'>".
 175                 "\n  <td></td>".
 176                 "\n  <td><b>"._("Members")."</b></td>".
 177                 "\n  <td><ul>%s</ul></td>".
 178                 "\n </tr>";
 179
 180             // Used to display the acl contents, except 'reset' and 'role'
 181             $acl_tpl =
 182                 "\n <tr class='%s'>".
 183                 "\n  <td></td>".
 184                 "\n  <td><b>"._("Acls")."</b></td>".
 185                 "\n  <td><ul>%s</ul></td>".
 186                 "\n </tr>";
 187
 188
 189             $user = sprintf(_("ACL from the viewpoint of user '%s'"), "<b>".$this->validateUid."</b>");
 190             $str  = "<table summary='"._("Object permissions")."'>";
 191             $str .= " <tr><td>".$user."</td><td>".$autocompleter."</td></tr>";
 192             $str .= "</table>";
 193             $str .= "<table summary='"._("Object permissions")."' class='acl-viewer'>";
 194             $ldap = $this->config->get_ldap_link();
 195             $ldap->cd($this->config->current['BASE']);
 196             $ui = get_userinfo();
 197             foreach($this->affectingACLs as $dn => $acls){
 198                 foreach($acls as $acl){
 199                     $gmem = $umem = $defs = "";
 200
 201                     // Prepare entry icon (department or element?)
 202                     $image = (isset($this->config->idepartments[$dn]))? "images/select_department.png":"images/lists/element.png";
 203
 204                     // The acl type (sub,psub,reset...)
 205                     $aclType = $this->aclTypes[$acl['type']];
 206
 207                     // Does the filter match for current object?
 208                     $filter ="";
 209                     $match = TRUE;
 210                     if(!empty($acl['filter'])){
 211                         $match = $ldap->object_match_filter($this->dn,$acl['filter']);
 212                         $filter= $acl['filter'];
 213                         if(!$match){
 214                             $filter= "<span>".$filter."</span>";
 215                         }
 216                     }
 217
 218                     // Check if we are part of the member list
 219                     if($match){
 220                         $found = FALSE;
 221                         foreach($acl['members'] as $mem => $desc){
 222                             if($mem == "U:{$this->validateDn}"){
 223                                 $found = TRUE;
 224                                 break;
 225                             }
 226                             if($mem == "G:*"){
 227                                 $found = TRUE;
 228                                 break;
 229                             }
 230                             if(preg_match("/^G:/", $mem)){
 231                                 $gdn = preg_replace("/^G:/","",$mem);
 232                                 $ldap->cat($gdn,array('memberUid'));
 233                                 if($ldap->count()){
 234                                     $attrs = $ldap->fetch();
 235                                     if(isset($attrs['memberUid']) && in_array($this->validateUid, $attrs['memberUid'])){
 236                                         $found = TRUE;
 237                                     }
 238                                 }
 239                                 break;
 240                             }
 241                         }
 242                         $match = $found;
 243                     }
 244
 245                     $class = "";
 246                     if(!$match){
 247                         $class = "acl-viewer-blocked";
 248                     }
 249
 250                     if(!empty($filter)) $filter =sprintf($filter_tpl,$class,$filter);
 251
 252                     foreach($acl['members'] as $type => $name){
 253                         if(preg_match("/^G/", $type))
 254                             $gmem .= "\n        <li>".$name."</li>";
 255                     }
 256                     if(!empty($gmem)) $gmem =sprintf($gmem_tpl,$class,$gmem);
 257
 258                     foreach($acl['members'] as $type => $name){
 259                         if(!preg_match("/^G/", $type))
 260                             $umem .= "\n        <li>".$name."</li>";
 261                     }
 262                     if(!empty($umem)) $umem = sprintf($umem_tpl,$class,$umem);
 263
 264                     if($acl['type']!='reset'){
 265                         foreach($acl['acl'] as $type => $acl){
 266                             if(isset($this->classMapping[$type])){
 267                                 $defs .= "<li>".$this->classMapping[$type].": ".$this->aclToString($acl)."</li>";
 268                             }else{
 269                                 $defs .= "<li>".$type.": ".$this->aclToString($acl)."</li>";
 270                             }
 271                         }
 272                         if(!empty($defs)) $defs = sprintf($acl_tpl, $class,$defs);
 273                     }
 274                     $str.= sprintf($tpl,$class, image($image), $dn, $aclType, $filter.$gmem.$umem.$defs);
 275                 }
 276             }
 277             $str .= "</table>";
 278             $this->renderedList = $str;
 279         }
 280         return($this->renderedList);
 281     }
 282
 283     function aclToString($acls)
 284     {
 285         $str ="<ul>";
 286         foreach($acls as $name => $acl){
 287             if($name == "0") $name = _("All");
 288             $str .= "<li>".$name;
 289             $str .= "<ul>";
 290             if(preg_match("/s/", $acl)){
 291                 $str.="<li>"._("Grant permission to owner").'</li>';
 292             }
 293             if(preg_match("/r/", $acl)) $str.="<li>"._("read").'</li>';
 294             if(preg_match("/w/", $acl)) $str.="<li>"._("write").'</li>';
 295             if(preg_match("/c/", $acl)) $str.="<li>"._("Create").'</li>';
 296             if(preg_match("/d/", $acl)) $str.="<li>"._("Remove").'</li>';
 297             if(preg_match("/m/", $acl)) $str.="<li>"._("Move").'</li>';
 298             $str.= "</ul>";
 299         }
 300         return($str."</ul>");
 301     }
 302
 303     function processAutocomplete()
 304     {
 305             $ldap = $this->config->get_ldap_link();
 306             $ldap->cd($this->config->current['BASE']);
 307             $ldap->search("(&(objectClass=gosaAccount)(|(sn=*".get_post('aclTarget')."*)".
 308                     "(uid=*".get_post('aclTarget')."*)(givenName=*".get_post('aclTarget')."*)))",
 309                     array('uid','dn','sn','givenName'));
 310             echo "<ul>";
 311             while($attrs = $ldap->fetch()){
 312                 $display = $attrs['givenName'][0]." ".$attrs['sn'][0]." [".$attrs['uid'][0]."]";
 313                 echo "<li>{$display}</li>";
 314                 $this->userMap[$display] = $attrs;
 315             }
 316             echo "</ul>";
 317     }
 318 }
 319
 320 ?>